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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA - Bruno Pincon
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function [d]=%b_triu(a,k)
// Copyright INRIA (modified by bruno, June 10 2004)
[lhs,rhs]= argn()
if rhs==1 then k=0,end
[m,n] = size(a)
d(m,n) = %f // create an m x n boolean mat with %f elts
i = find(triu(ones(a),k))
d(i) = a(i)
endfunction
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